detecting-arp-poisoning-in-network-traffic - Detect ARP Poisoning in Network Traffic
Detect and prevent ARP spoofing through ARPWatch, Dynamic ARP Inspection, Wireshark analysis, and custom monitoring scripts.
Tags
Updated: 2026-09-29ARP poisoningARP spoofingnetwork securityman-in-the-middleDynamic ARP InspectionARPWatchWiresharkLayer 2 security
Typical Outputs
What this skill does
- Monitor ARP traffic
- Detect MAC address changes
- Detect gateway spoofing
- Detect ARP floods
- Detect duplicate IP claims
- Configure Dynamic ARP Inspection
- Analyze packets with Wireshark
- Generate anomaly alerts
Inputs
- Target network segment
- Network interface
- Gateway IP address
- Gateway MAC address
- ARP packet captures
- Static IP-to-MAC mappings
- Switch configuration
Outputs
- ARP monitoring alerts
- ARP mapping changes
- ARP flood alerts
- Gateway spoofing alerts
- Dynamic ARP Inspection configuration
- Packet analysis findings
- Monitoring log entries
Requirements
- Access to the target broadcast domain
- Linux host
- Managed switch with Dynamic ARP Inspection support
- Wireshark or tcpdump
- Configured DHCP snooping
- Network monitoring infrastructure
